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|
package parseutil_test
import (
. "github.com/benhoyt/goawk/internal/parseutil"
"strings"
"testing"
)
type testFile struct{ name, source string }
type test struct {
name string
// input:
files []testFile
line int
// expected:
path string
fileLine int
}
func TestFileReader(t *testing.T) {
fileSetNoNewline := []testFile{
{"file1", `BEGIN {
print f(1)
}`},
{"file2", `function f(x) {
print x
}`},
}
fileSetWithNewline := []testFile{
{"file1", `BEGIN {
print f(1)
}
`},
{"file2", `function f(x) {
print x
}
`},
}
tests := []test{
{
"TestInFirstFile",
fileSetNoNewline,
2,
"file1",
2,
},
{
"TestInSecondFile",
fileSetNoNewline,
5,
"file2",
2,
},
{
"TestInFirstFileWithNewline",
fileSetWithNewline,
2,
"file1",
2,
},
{
"TestInSecondFileWithNewline",
fileSetWithNewline,
5,
"file2",
2,
},
{
"TestOutside",
fileSetNoNewline,
100,
"",
0,
},
{
"TestOutsideNegative",
fileSetNoNewline,
-100,
"",
0,
},
{
"TestNoFiles",
[]testFile{},
1,
"",
0,
},
{
"TestZeroLenFiles",
[]testFile{
{"file1", ""},
},
1,
"file1",
1,
},
{
"TestZeroLenFiles1",
[]testFile{
{"file1", ""},
},
2,
"",
0,
},
}
for _, tst := range tests {
t.Run(tst.name, func(t *testing.T) {
fr := &FileReader{}
for _, file := range tst.files {
if nil != fr.AddFile(file.name, strings.NewReader(file.source)) {
panic("should not happen")
}
}
path, fileLine := fr.FileLine(tst.line)
if path != tst.path {
t.Errorf("expected path: %v, got: %v", tst.path, path)
}
if fileLine != tst.fileLine {
t.Errorf("expected fileLine: %v, got: %v", tst.fileLine, fileLine)
}
// test result source
source := string(fr.Source())
for _, file := range tst.files {
if !strings.Contains(source, file.source) {
t.Errorf("Source() is incorrect")
}
}
})
}
}
|
